Impact of food support on food security and body weight among HIV antiretroviral therapy recipients in Honduras: a pilot intervention trial

AIDS Care
(2014)

Sebastian Linnemayr, Rand Corporation

Abstract

Optimal strategies to improve food security and nutrition for people with HIV (PLHIV) may differ in settings where overweight and obesity are prevalent and cardiovascular disease risk is a concern. However, no studies among PLHIV have investigated the impact of food support on nutritional outcomes in these settings. We therefore assessed the effect of food support on food insecurity and body weight in a population of PLHIV with high prevalence of overweight and obesity. We implemented a pilot intervention trial in 4 government-run HIV clinics in Honduras. The trial tested the effect of a monthly household food ration plus nutrition education (n=203), compared to nutrition education alone (n=197), over 12 months. Participants were clinic patients receiving antiretroviral therapy (ART). Assessments were obtained at baseline, 6 and 12 months. Primary outcomes for this analysis were food security, using the validated Latin American and Caribbean Food Security Scale, and body weight (kg). Thirty-one percent of participants were overweight (22%) or obese (8%) at baseline. At 6 months, the probability of severe food insecurity decreased by 48.3% (p < 0.01) in the food support group, compared to 11.6% in the education-only group (p<0.01). Among overweight or obese participants, food support led to average weight gain of 1.13 kg (p<0.01), while nutrition education alone was associated with average weight loss of 0.72 kg (p<0.10). Nutrition education alone was associated with weight gain among underweight and normal weight participants. Household food support may improve food security but not necessarily nutritional status of ART recipients above and beyond nutrition education. Improving nutritional tailoring of food support and testing the impact of nutrition education should be prioritized for PLHIV in Latin America and similar settings.